Answer:

Step-by-step explanation:
Factor 

Rewrite Equation

Answer:
the first one
Step-by-step explanation:
this picture has the workings
Answer:

Step-by-step explanation:
So first I hope this helps! But from what I’ve learned in school is that a unit rate pretty much just mean *1... so in words the answers would be 1/6 and hour for every 2/23 miles
5 1/2 = 11/2
11/2 x 3/4 = 33/8 = 4 1/8
answer is B. 4 1/8